Therefore, it is essential to conduct studies on BLE transmitter positioning methods. Power fingerprinting transmitter positioning approaches are commonly used in BLE network. However, these methods ...

Abstract: We report a packaging approach for building mm-wave massive multiple-input–multiple-output (MIMO) transmitter arrays in tiles. A single-channel 135-GHz transmitter, having a 22-nm ...

Hebei Key Lab of Optic-electronic Information and Materials, the College of Physics Science and Technology, Hebei University, Baoding 071002, China Institute of Physics, Chinese Academy of Sciences ...